- Inline mounting ball spring relief
- Hardened Seat ensures durability
- Port Size: 3/4” NPT
- Max Flow: 20 GPM
- Max Pressure: 2500 PSI
- Preset at 1500 PSI
- Adjustable Range: 1000-2500 PSI
- Prince RD1800 Series
- Chief 220967
To adjust relief please remove acorn nut loosen jam nut, turn the adjusting screw clockwise to increase the pressure and counterclockwise to decrease the pressure.
WARNING: Over-pressure may cause sudden and unexpected failure of a component in the hydraulic system resulting in serious personal injury. Always use a gauge when adjusting a relief valve.
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